by steps
000000 000000
000000
a6448e a6448e
a6448e
00007f 00007f
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0000ff
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007f7f
a15b8c a15b8c
a15b8c
007fff 007fff
007fff
00ff00 00ff00
00ff00
00ff7f 00ff7f
00ff7f
9c728a 9c728a
9c728a
00ffff 00ffff
00ffff
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7f007f 7f007f
7f007f
978a88 978a88
978a88
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92a186
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88d082 88d082
88d082
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ff7f00
ff7f7f ff7f7f
ff7f7f
ff7fff ff7fff
ff7fff
83e780 83e780
83e780
ffff00 ffff00
ffff00
ffff7f ffff7f
ffff7f
ffffff ffffff
ffffff